What is the relationship between line current and coil current in a delta-connected transformer bank?
What will be an ideal response?
The line current is greater than the coil current in a delta-connected transformer bank. The line current is equal to 1.73 x coil current. A study of a closed-delta transformer connection shows that each line lead is fed by two transformer coil currents that are out of phase and thus cannot be added directly by simple arithmetic.
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